X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Fxscale.h;h=dd7b034652bc754ef74750fef117cde06ab8f1c9;hp=fd4bddf21375207e7e3e2c80057df958295a2c84;hb=ccde06a08fbf9c4f57b321dbec0509f73239c2de;hpb=f876d5e9c769a288faa7fd14b7bf373363542aab

diff --git a/src/target/xscale.h b/src/target/xscale.h
index fd4bddf213..dd7b034652 100644
--- a/src/target/xscale.h
+++ b/src/target/xscale.h
@@ -2,7 +2,7 @@
  *   Copyright (C) 2005 by Dominic Rath                                    *
  *   Dominic.Rath@gmx.de                                                   *
  *                                                                         *
- *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
+ *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
  *   oyvind.harboe@zylin.com                                               *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -29,18 +29,13 @@
 
 #define	XSCALE_COMMON_MAGIC 0x58534341
 
-typedef struct xscale_jtag_s
-{
-	/* position in JTAG scan chain */
-	jtag_tap_t *tap;
-
-	/* IR length and instructions */	
-	int ir_length;
-	u32 dbgrx;
-	u32 dbgtx;
-	u32 ldic;
-	u32 dcsr;
-} xscale_jtag_t;
+/* These four JTAG instructions are architecturally defined.
+ * Lengths are core-specific; originally 5 bits, later 7.
+ */
+#define XSCALE_DBGRX	0x02
+#define XSCALE_DBGTX	0x10
+#define XSCALE_LDIC	0x07
+#define XSCALE_SELDCSR	0x09
 
 enum xscale_debug_reason
 {
@@ -65,9 +60,9 @@ typedef struct xscale_trace_data_s
 {
 	xscale_trace_entry_t *entries;
 	int depth;
-	u32 chkpt0;
-	u32 chkpt1;
-	u32 last_instruction;
+	uint32_t chkpt0;
+	uint32_t chkpt1;
+	uint32_t last_instruction;
 	struct xscale_trace_data_s *next;
 } xscale_trace_data_t;
 
@@ -79,44 +74,40 @@ typedef struct xscale_trace_s
 	int buffer_enabled;				/* whether trace buffer is enabled */
 	int buffer_fill;				/* maximum number of trace runs to read (-1 for wrap-around) */
 	int pc_ok;
-	u32 current_pc;
+	uint32_t current_pc;
 	armv4_5_state_t core_state;		/* current core state (ARM, Thumb, Jazelle) */
 } xscale_trace_t;
 
 typedef struct xscale_common_s
 {
+	/* armv4/5 common stuff */
+	armv4_5_common_t armv4_5_common;
+
 	int common_magic;
-	
+
 	/* XScale registers (CP15, DBG) */
 	reg_cache_t *reg_cache;
 
-	/* pxa250, pxa255, pxa27x, ixp42x, ... */
-	char *variant;
-
-	xscale_jtag_t jtag_info;
-	
 	/* current state of the debug handler */
-	int handler_installed;
-	int handler_running;
-	u32 handler_address;
-	
+	uint32_t handler_address;
+
 	/* target-endian buffers with exception vectors */
-	u32 low_vectors[8];
-	u32 high_vectors[8];
-	
+	uint32_t low_vectors[8];
+	uint32_t high_vectors[8];
+
 	/* static low vectors */
 	uint8_t static_low_vectors_set;	/* bit field with static vectors set by the user */
 	uint8_t static_high_vectors_set; /* bit field with static vectors set by the user */
-	u32 static_low_vectors[8];
-	u32 static_high_vectors[8];
+	uint32_t static_low_vectors[8];
+	uint32_t static_high_vectors[8];
+
+	/* DCache cleaning */
+	uint32_t cache_clean_address;
 
-	/* DCache cleaning */	
-	u32 cache_clean_address;
-	
 	/* whether hold_rst and ext_dbg_break should be set */
 	int hold_rst;
 	int external_debug_break;
-	
+
 	/* breakpoint / watchpoint handling */
 	int dbr_available;
 	int dbr0_used;
@@ -124,28 +115,29 @@ typedef struct xscale_common_s
 	int ibcr_available;
 	int ibcr0_used;
 	int	ibcr1_used;
-	u32 arm_bkpt;
+	uint32_t arm_bkpt;
 	uint16_t thumb_bkpt;
-	
+
 	uint8_t vector_catch;
 
 	xscale_trace_t trace;
-	
+
 	int arch_debug_reason;
-	
-	/* armv4/5 common stuff */
-	armv4_5_common_t armv4_5_common;
-	
+
 	/* MMU/Caches */
-	armv4_5_mmu_common_t armv4_5_mmu;
-	u32 cp15_control_reg;
-	
-	/* possible future enhancements that go beyond XScale common stuff */
-	void *arch_info;
-	
+	struct armv4_5_mmu_common armv4_5_mmu;
+	uint32_t cp15_control_reg;
+
 	int fast_memory_access;
 } xscale_common_t;
 
+static inline struct xscale_common_s *
+target_to_xscale(struct target_s *target)
+{
+	return container_of(target->arch_info, struct xscale_common_s,
+			armv4_5_common);
+}
+
 typedef struct xscale_reg_s
 {
 	int dbg_handler_number;